Journal of the neurological sciences · 2017
Urinary albumin-to-creatinine ratio is associated with white matter lesions severity in first-ever stroke patients.
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Suda Satoshi, Kanamaru Takuya, Okubo Seiji, Aoki Junya, Shimoyama Takashi, Suzuki Kentaro, Nito Chikako, Ishiwata Akiko, Kimura Kazumi
Аннотация
BACKGROUND: The presence of white matter lesions (WML) is an indicator of small vessel disease; however, the underlying pathological mechanisms are still unclear. We aimed to investigate the association of estimated glomerular filtration rate (eGFR) and urinary albumin-to-creatinine ratio (UACR) with WML severity in first-ever stroke patients.
METHODS: We retrospectively enrolled 284 consecutive patients (177 male; median age 72years) admitted to our stroke center between May 2010 and January 2012. eGFR and UACR measurements were performed on admission. WML severity was assessed using the Fazekas classification. Severe WML was defined as a Fazekas grade of 2 or higher. The impact of eGFR and UACR on severe WML was evaluated using multiple logistic regression analysis.
RESULTS: Age (P<0.0001), sex (P=0.0094), eGFR (P=0.0173), UACR (P=0.0001), hypertension (P=0.0436), and brain natriuretic peptide (P=0.0354) were significantly associated with severe WML. On multivariable logistic regression analysis, high UACR (≥39.6mg/g creatinine, P=0.039), but not low eGFR (≤74ml/min/1.73m2, P=0.3672), was independently associated with severe WML. Comparisons between the UACR levels showed that severe WML was more frequent in the UACR ≥300mg/g creatinine group than in the UACR <30.0mg/g creatinine group after multivariate adjustment (OR, 2.25; 95% CI, 1.04-5.00; P=0.039). However, there was no significant association between eGFR and severe WML.
CONCLUSIONS: Our data suggest that high UACR, but not eGFR, is independently associated with severe WML.
METHODS: We retrospectively enrolled 284 consecutive patients (177 male; median age 72years) admitted to our stroke center between May 2010 and January 2012. eGFR and UACR measurements were performed on admission. WML severity was assessed using the Fazekas classification. Severe WML was defined as a Fazekas grade of 2 or higher. The impact of eGFR and UACR on severe WML was evaluated using multiple logistic regression analysis.
RESULTS: Age (P<0.0001), sex (P=0.0094), eGFR (P=0.0173), UACR (P=0.0001), hypertension (P=0.0436), and brain natriuretic peptide (P=0.0354) were significantly associated with severe WML. On multivariable logistic regression analysis, high UACR (≥39.6mg/g creatinine, P=0.039), but not low eGFR (≤74ml/min/1.73m2, P=0.3672), was independently associated with severe WML. Comparisons between the UACR levels showed that severe WML was more frequent in the UACR ≥300mg/g creatinine group than in the UACR <30.0mg/g creatinine group after multivariate adjustment (OR, 2.25; 95% CI, 1.04-5.00; P=0.039). However, there was no significant association between eGFR and severe WML.
CONCLUSIONS: Our data suggest that high UACR, but not eGFR, is independently associated with severe WML.